Websites Powered by Cloudflare Rocket Loader
355,770 websites tracked using Cloudflare Rocket Loader (Performance) · support.cloudflare.com
Cloudflare Rocket Loader is a performance optimization tool that speeds up the site. Its official site is support.cloudflare.com. PoweredBy tracks the websites that use Cloudflare Rocket Loader across the public web; the tracked counts, adoption trend, and site list on this page are updated from our ongoing crawl of the performance ecosystem.
Usage trend
50K
100K
150K
Oct 2022
Sep 2023
Aug 2024
Jul 2025
Jun 2026
Domains observed using Cloudflare Rocket Loader in each month's HTTP Archive crawl,
Oct 2022 to Jun 2026 · peak 134,530 in Nov 2023. The tracked total above also
counts sites not re-crawled recently.
Core Web Vitals
LCP 2.2 s
INP 75 ms
CLS 0
TTFB 1000 ms
Median site among 113,179 Cloudflare Rocket Loader sites with Chrome UX data, p75 values, Jun 2026.
Top countries
United States
35,506
India
23,560
United Kingdom
17,454
Saudi Arabia
17,113
Brazil
15,129
Germany
14,506
France
14,025
Indonesia
14,015
Sites using Cloudflare Rocket Loader by audience country, Chrome UX Report.
Top sites by authority
9+
4% · 15 of 372 sites
8+
3% · 222 of 7,677 sites
7+
2% · 969 of 45,712 sites
6+
2% · 2,036 of 110,136 sites
5+
2% · 3,773 of 246,751 sites
The share of the web's most authoritative domains, by Open Page Rank tier, seen running Cloudflare Rocket Loader in recent crawls. Only 372 domains worldwide score 9 or higher.
Websites using Cloudflare Rocket Loader
| # | Domain | Open Page RankOPR | Est. monthly visits (US)Visits (US) | Keywords | First seen |
|---|---|---|---|---|---|
| 1 | cloudfront.net | 9.47/10 | - | - | Oct 2022 |
| 2 | github.io | 9.43/10 | 1,800 | 1 | Oct 2022 |
| 3 | blogspot.com | 9.39/10 | - | - | Oct 2022 |
| 4 | sciencedirect.com | 9.21/10 | 18,904,100 | 5,812,481 | Oct 2022 |
| 5 | un.org | 9.21/10 | 2,209,200 | 439,253 | Jan 2023 |
| 6 | stanford.edu | 9.19/10 | 3,302,700 | 5,160 | May 2023 |
| 7 | pages.dev | 9.14/10 | - | - | Oct 2022 |
| 8 | canada.ca | 9.08/10 | 2,129,800 | 995,010 | Oct 2022 |
| 9 | unesco.org | 9.06/10 | 294,400 | 71,304 | Jul 2025 |
| 10 | vercel.app | 9.05/10 | - | - | Oct 2022 |
| 11 | census.gov | 9.04/10 | 1,526,700 | 227,460 | May 2025 |
| 12 | b-cdn.net | 9.02/10 | - | - | Oct 2022 |
| 13 | columbia.edu | 9.02/10 | 770,900 | 41,349 | May 2023 |
| 14 | netlify.app | 9.01/10 | 2 | 2 | Oct 2022 |
| 15 | uk.com | 9.00/10 | 2 | 12 | Oct 2022 |
| 16 | azureedge.net | 8.98/10 | - | - | May 2023 |
| 17 | constantcontact.com | 8.98/10 | 48,700 | 22,287 | Dec 2024 |
| 18 | ox.ac.uk | 8.98/10 | 214,200 | 93,016 | Oct 2022 |
| 19 | texas.gov | 8.98/10 | 856,400 | 43,777 | Oct 2022 |
| 20 | cmu.edu | 8.97/10 | 436,800 | 81,774 | Oct 2022 |
| 21 | elsevier.com | 8.93/10 | 344,600 | 88,582 | Oct 2022 |
| 22 | jhu.edu | 8.93/10 | 177,400 | 6,915 | Oct 2022 |
| 23 | uol.com.br | 8.92/10 | 33,600 | 42,015 | Jun 2025 |
| 24 | techtarget.com | 8.91/10 | 2,092,900 | 338,991 | Oct 2022 |
| 25 | termly.io | 8.88/10 | 155,200 | 8,893 | Nov 2025 |
| 26 | azurewebsites.net | 8.87/10 | - | - | Oct 2022 |
| 27 | us.com | 8.86/10 | 32 | 9 | Mar 2023 |
| 28 | shorturl.at | 8.86/10 | 61,100 | 1,340 | Oct 2022 |
| 29 | it.com | 8.81/10 | - | - | Oct 2022 |
| 30 | gumroad.com | 8.80/10 | 14,100 | 9,120 | Oct 2022 |
| 31 | unep.org | 8.78/10 | 189,100 | 71,991 | Oct 2022 |
| 32 | odoo.com | 8.77/10 | 63,000 | 27,307 | Apr 2024 |
| 33 | eu.com | 8.77/10 | - | - | Oct 2022 |
| 34 | onesignal.com | 8.76/10 | 6,600 | 4,280 | Oct 2022 |
| 35 | web.app | 8.76/10 | - | - | Oct 2022 |
| 36 | grandviewresearch.com | 8.76/10 | 55,800 | 52,060 | Oct 2022 |
| 37 | rutgers.edu | 8.75/10 | 147,400 | 31,478 | Oct 2022 |
| 38 | lovable.app | 8.73/10 | - | - | Mar 2025 |
| 39 | ucsb.edu | 8.71/10 | 73,800 | 11,445 | Mar 2023 |
| 40 | chicagotribune.com | 8.70/10 | 432,500 | 453,594 | Oct 2022 |
| 41 | ucsf.edu | 8.70/10 | 162,500 | 56,785 | Feb 2026 |
| 42 | in.net | 8.69/10 | - | - | Oct 2022 |
| 43 | pitt.edu | 8.69/10 | 62,900 | 8,815 | Dec 2023 |
| 44 | documentcloud.org | 8.68/10 | 30,500 | 11,422 | May 2025 |
| 45 | co.com | 8.67/10 | - | - | Oct 2022 |
| 46 | altervista.org | 8.66/10 | - | - | Oct 2022 |
| 47 | wustl.edu | 8.66/10 | - | - | Aug 2024 |
| 48 | ru.com | 8.65/10 | - | - | Nov 2022 |
| 49 | gitlab.io | 8.64/10 | - | - | Dec 2024 |
| 50 | cdnfonts.com | 8.63/10 | 8,000 | 13,177 | Nov 2022 |
| 51 | routledge.com | 8.63/10 | 71,300 | 100,213 | Apr 2026 |
| 52 | lenovo.com | 8.62/10 | 2,565,500 | 423,775 | Oct 2022 |
| 53 | charitynavigator.org | 8.62/10 | 235,600 | 87,937 | Oct 2022 |
| 54 | com.de | 8.62/10 | 5 | 14 | Oct 2022 |
| 55 | colostate.edu | 8.62/10 | 189,200 | 11,352 | Oct 2022 |
| 56 | workers.dev | 8.61/10 | - | - | May 2024 |
| 57 | expireddomains.com | 8.60/10 | 3,200 | 6,978 | Aug 2025 |
| 58 | thehindu.com | 8.60/10 | 415,000 | 333,882 | Oct 2022 |
| 59 | worldwildlife.org | 8.60/10 | 1,384,300 | 148,321 | Oct 2022 |
| 60 | iastate.edu | 8.60/10 | 161,300 | 18,508 | Oct 2022 |
| 61 | cn.com | 8.59/10 | 17 | 8 | Mar 2026 |
| 62 | krakow.pl | 8.59/10 | 690 | 649 | Jul 2023 |
| 63 | sa.com | 8.58/10 | - | - | Oct 2022 |
| 64 | garmin.com | 8.58/10 | 1,027,200 | 249,401 | Oct 2022 |
| 65 | alberta.ca | 8.58/10 | 115,900 | 65,281 | Jun 2026 |
| 66 | neocities.org | 8.57/10 | 23,000 | 6,887 | Oct 2022 |
| 67 | nydailynews.com | 8.57/10 | 162,200 | 254,817 | Oct 2022 |
| 68 | rsf.org | 8.56/10 | 45,600 | 15,514 | Oct 2022 |
| 69 | aa.com.tr | 8.55/10 | 131,600 | 114,555 | Oct 2022 |
| 70 | martech.org | 8.53/10 | 13,700 | 14,131 | Oct 2024 |
| 71 | za.com | 8.53/10 | - | - | Oct 2022 |
| 72 | jp.net | 8.52/10 | 66 | 7 | Dec 2022 |
| 73 | doordash.com | 8.51/10 | 7,605,200 | 3,556,544 | Oct 2022 |
| 74 | eu.org | 8.51/10 | - | - | Oct 2022 |
| 75 | hostingersite.com | 8.49/10 | - | - | Jun 2025 |
| 76 | fastly.net | 8.49/10 | - | - | Sep 2023 |
| 77 | thehackernews.com | 8.48/10 | 51,000 | 29,270 | Oct 2022 |
| 78 | computerweekly.com | 8.48/10 | 16,900 | 22,336 | Oct 2022 |
| 79 | denverpost.com | 8.48/10 | 284,000 | 251,780 | Oct 2022 |
| 80 | mercurynews.com | 8.48/10 | 214,600 | 245,325 | Oct 2022 |
| 81 | nypl.org | 8.47/10 | 694,800 | 129,390 | Oct 2022 |
| 82 | poznan.pl | 8.47/10 | 320 | 564 | Oct 2022 |
| 83 | cuppa.ai | 8.46/10 | 64 | 11 | Dec 2024 |
| 84 | de.com | 8.46/10 | - | 2 | May 2023 |
| 85 | niemanlab.org | 8.46/10 | 46,100 | 21,415 | May 2025 |
| 86 | insidehighered.com | 8.46/10 | 95,000 | 58,410 | Oct 2022 |
| 87 | rainn.org | 8.46/10 | 73,900 | 8,820 | Feb 2026 |
| 88 | american.edu | 8.46/10 | 286,700 | 75,538 | Jul 2025 |
| 89 | adl.org | 8.45/10 | 415,400 | 67,022 | Jun 2026 |
| 90 | adaa.org | 8.45/10 | 97,300 | 27,773 | Oct 2022 |
| 91 | ballotpedia.org | 8.45/10 | 1,798,700 | 456,841 | Dec 2022 |
| 92 | rit.edu | 8.44/10 | 158,100 | 87,161 | Mar 2025 |
| 93 | dnb.com | 8.43/10 | 720,400 | 424,295 | May 2026 |
| 94 | mcdonalds.com | 8.42/10 | 8,244,000 | 595,794 | Apr 2026 |
| 95 | kadencewp.com | 8.41/10 | 4,700 | 6,743 | Oct 2022 |
| 96 | uk.net | 8.41/10 | - | - | Nov 2024 |
| 97 | heritage.org | 8.41/10 | 209,500 | 102,828 | Sep 2024 |
| 98 | wolterskluwer.com | 8.40/10 | 517,200 | 161,427 | Oct 2022 |
| 99 | adb.org | 8.40/10 | 27,000 | 13,792 | Oct 2022 |
| 100 | thenation.com | 8.40/10 | 97,400 | 68,627 | Oct 2022 |
Open Page Rank is the domain's authority score (0 to 10, from the open web link graph); the list is ordered by it and covers sites seen in recent crawls. Visits and keywords are estimated US organic search figures.
Download top 10,000 as CSV (zip) →
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